Changsha Mingguan Metal Technology Co., Ltd. is a high-tech joint-stock company, which is a professional manufacturer of tungsten alloys, tungsten and molybdenum products, tungsten electrode, carbide alloys, copper tungsten alloy. Currently, RiLi has the production capacity of an annual output of 50 tons of high density tungsten alloy, 30 tons of tungsten and molybdenum products, 15 tons of tungsten, 10 tons carbide alloys and 10 tons of copper tungsten carbide alloy. These products have been widely used in medical, mechanical, electronic, chemical, construction, aerospace and other industries. Some products have been exported to the United States, Japan, Germany, Sweden, Spain and other countries.